Home / 547,998.40-756,273.26-306,291.16

Finding the Fourth Proportional to 547,998.40, 756,273.26 and 306,291.16

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Solution

The fourth proportional to 547,998.40, 756,273.26 and 306,291.16 is: 422,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,998.40 : 756,273.26 = 306,291.16 : x
  2. Step 2: Convert to fraction form
    547,998.40/756,273.26 = 306,291.16/x
  3. Step 3: Cross multiply
    547,998.40x = 756,273.26 × 306,291.16
  4. Step 4: Simplify right side
    547,998.40x = 231,639,814,082.38
  5. Step 5: Solve for x
    x = 231,639,814,082.38/547,998.40
  6. Step 6: Final answer
    x = 422,701.62

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.